Changes

One of To connect MultiCharts to IQFeed data, it is necessary to have IQFeed software installed and launched on the computer. When the leading professional connection is set up correctly, MultiCharts brings up IQFeed software automatically when data vendorsis requested. The company has been working in To download the financial information since 1984. latest version of IQFeed provides tick-by-tick unfiltered dataclient, thus you will not miss about 50% of follow the actual tradeslink: http://www.iqfeed.net/index.<br>cfm?displayaction=support&section=download

To set up IQFeed data feed connection:== Features :# In the '''QuoteManager''' main menu select '''Tools''' and limitations ==  then click '''Data Sources'''. Select '''FeaturesIQFeed''' # Automatic gap filling# Automatic reconnection in case connection the list of all supported data vendors and click the '''Settings''' button. The IQFeed Data Feed Configuration window is lostopened.:# In the opened up window:::* Check '''LimitationsFilter extended trades supplied by the exchange''' # Since IQFeed has no identification of transactions there to filter extended trades, that the exchange sends even during short breaks within the session and it might lead to incorrect bars on the chart (spikes). The filter is no such a possibility applied to receive historical and real-time data for several charts simultaneously. All the paralleled queries are queued::* '''Authorization section'''<br>Enter Login and Password. Thus, if you make a query of ::* '''Historical Data section'''<br>Check the history for a long period of time there immediately comes the query for receiving several '''Build minute and daily bars based on tick data''' box to request only as the program cannot draw tick data from IQfeed server and build all other resolution charts out of tick data.<br><div style="background-color: #E3FBE5;">'''Note''': IQFeed provides less tick data comparing to minute or daily data for the second query before the first is , do not processed # There enable that option if minute and daily data is no method for deleting a historical query since needed, as it is necessary to wait for a response for the previous query will result in order to begin to process less bars on chart. </div>::* '''Real-Time section'''<br>Check the next one# When plotting '''Generate a chart for the new Ask/Bidtick if Trade changes''' box to make snapshots of Ask/Ask field of Minute, Day Bid streams and etc, actually ticks will be requested because it is impossible to receive show them in MultiCharts only at the history of minutes and days for Bid/Askmoment when a new Trade comes. It will deteriorate data reception performance 

To add an instrument manually or from data source, see [[Data_Sources_Overview# Make sure IQFeed 2Adding_Symbol.3 or higher is installed and functions properly28s. # Make sure you're using a valid login/password29_to_Symbol_List|Adding Symbol(s) to Symbol List]].

No additional settings are required. To create a symbol using IQFeed as the Data Source see see [[Operating_Symbol_List#Adding Symbol from Data Vendor Supplied List|Adding from a list supplied by data vendor]] section section for more detailed information.  <br>[[Category:Built-in_Data_Sourcesin Data Sources]]